ASVAB Mathematics: Fractions, Decimals and Percentages 3 — Questions and Answers
Question 1: What is 7/8 − 1/4?
- 6/4
- 5/8 (Correct answer)
- 3/4
- 1/2
Correct answer: 5/8
Convert 1/4 to 2/8; then 7/8 − 2/8 = 5/8.
Question 2: Express 37.5% as a fraction in lowest terms.
- 3/8 (Correct answer)
- 37/100
- 3/4
- 5/12
Correct answer: 3/8
37.5% = 37.5/100 = 375/1000 = 3/8 after dividing by 125.
Question 3: A fuel tank holds 120 gallons. If it is 5/8 full, how many gallons are in the tank?
- 72 gallons
- 75 gallons (Correct answer)
- 80 gallons
- 96 gallons
Correct answer: 75 gallons
5/8 × 120 = 75 gallons.
Question 4: Round 4.6782 to the nearest hundredth.
- 4.67
- 4.68 (Correct answer)
- 4.7
- 4.678
Correct answer: 4.68
The digit in the thousandths place is 8, so round up: 4.68.
Question 5: What percent of 60 is 45?
- 65%
- 70%
- 75% (Correct answer)
- 80%
Correct answer: 75%
45/60 × 100 = 75%.
Question 6: Simplify: 18/24
- 2/3
- 3/4 (Correct answer)
- 4/5
- 9/12
Correct answer: 3/4
GCF of 18 and 24 is 6; 18 ÷ 6 = 3 and 24 ÷ 6 = 4, giving 3/4.
Question 7: If 0.007 is multiplied by 1,000, what is the result?
- 0.7
- 7 (Correct answer)
- 70
- 700
Correct answer: 7
Multiplying by 1,000 moves the decimal three places right: 0.007 → 7.
